Certified Gastroenterology RN Study Guide 2026
Everything you need to pass the Certified Gastroenterology RN exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
📋 Certified Gastroenterology RN Exam Format at a Glance
📚 Certified Gastroenterology RN Topics to Study (69)
✍️ Sample Certified Gastroenterology RN Questions & Answers
1. After a percutaneous endoscopic gastrostomy (PEG) placement, when is it generally acceptable to begin tube feedings per current guidelines?
Evidence supports safely starting feedings within 4 hours of uncomplicated PEG placement.
2. A patient beginning quadruple therapy for H. pylori with bismuth, metronidazole, tetracycline, and a PPI must avoid which substance?
Metronidazole with alcohol can cause a disulfiram-like reaction with flushing, vomiting, and tachycardia.
3. A patient with obstructive sleep apnea is scheduled for moderate sedation during colonoscopy. Which precaution is most appropriate?
OSA patients are prone to airway obstruction, so cautious titration, capnography, and ready airway equipment are the standard precautions.
4. The nurse is teaching a patient with diverticulosis about long-term dietary management. Which recommendation is appropriate?
Current evidence supports high fiber and fluids for diverticulosis; routine avoidance of nuts and seeds is no longer recommended.
5. During hemostasis of a bleeding ulcer, epinephrine 1:10,000 is injected submucosally. Which patient response should the nurse monitor for as a systemic effect?
Systemic absorption of injected epinephrine can transiently raise heart rate and blood pressure.
6. A patient recovering from a colonoscopy with polypectomy reports severe abdominal pain, distension, and a fever of 101.2°F. What should the gastroenterology nurse suspect first?
Severe pain, distension, and fever after polypectomy are classic warning signs of bowel perforation, a surgical emergency.